1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef __ADB_TRACE_H
18#define __ADB_TRACE_H
19
20#if !ADB_HOST
21#include <android/log.h>
22#else
23#include <stdio.h>
24#endif
25
26/* IMPORTANT: if you change the following list, don't
27 * forget to update the corresponding 'tags' table in
28 * the adb_trace_init() function implemented in adb.c
29 */
30enum AdbTrace {
31    TRACE_ADB = 0,   /* 0x001 */
32    TRACE_SOCKETS,
33    TRACE_PACKETS,
34    TRACE_TRANSPORT,
35    TRACE_RWX,       /* 0x010 */
36    TRACE_USB,
37    TRACE_SYNC,
38    TRACE_SYSDEPS,
39    TRACE_JDWP,      /* 0x100 */
40    TRACE_SERVICES,
41    TRACE_AUTH,
42    TRACE_FDEVENT,
43} ;
44
45#if !ADB_HOST
46/*
47 * When running inside the emulator, guest's adbd can connect to 'adb-debug'
48 * qemud service that can display adb trace messages (on condition that emulator
49 * has been started with '-debug adb' option).
50 */
51
52/* Delivers a trace message to the emulator via QEMU pipe. */
53void adb_qemu_trace(const char* fmt, ...);
54/* Macro to use to send ADB trace messages to the emulator. */
55#define DQ(...)    adb_qemu_trace(__VA_ARGS__)
56#else
57#define DQ(...) ((void)0)
58#endif  /* !ADB_HOST */
59
60extern int     adb_trace_mask;
61extern unsigned char    adb_trace_output_count;
62void    adb_trace_init(void);
63
64#  define ADB_TRACING  ((adb_trace_mask & (1 << TRACE_TAG)) != 0)
65
66/* you must define TRACE_TAG before using this macro */
67#if ADB_HOST
68#  define  D(...)                                      \
69        do {                                           \
70            if (ADB_TRACING) {                         \
71                int save_errno = errno;                \
72                adb_mutex_lock(&D_lock);               \
73                fprintf(stderr, "%16s: %5d:%5lu | ",   \
74                        __FUNCTION__,                  \
75                        getpid(), adb_thread_id());    \
76                errno = save_errno;                    \
77                fprintf(stderr, __VA_ARGS__ );         \
78                fflush(stderr);                        \
79                adb_mutex_unlock(&D_lock);             \
80                errno = save_errno;                    \
81           }                                           \
82        } while (0)
83#  define  DR(...)                                     \
84        do {                                           \
85            if (ADB_TRACING) {                         \
86                int save_errno = errno;                \
87                adb_mutex_lock(&D_lock);               \
88                errno = save_errno;                    \
89                fprintf(stderr, __VA_ARGS__ );         \
90                fflush(stderr);                        \
91                adb_mutex_unlock(&D_lock);             \
92                errno = save_errno;                    \
93           }                                           \
94        } while (0)
95#else
96#  define  D(...)                                      \
97        do {                                           \
98            if (ADB_TRACING) {                         \
99                __android_log_print(                   \
100                    ANDROID_LOG_INFO,                  \
101                    __FUNCTION__,                      \
102                    __VA_ARGS__ );                     \
103            }                                          \
104        } while (0)
105#  define  DR(...)                                     \
106        do {                                           \
107            if (ADB_TRACING) {                         \
108                __android_log_print(                   \
109                    ANDROID_LOG_INFO,                  \
110                    __FUNCTION__,                      \
111                    __VA_ARGS__ );                     \
112            }                                          \
113        } while (0)
114#endif /* ADB_HOST */
115
116#endif /* __ADB_TRACE_H */
117